whis·tle·blow·er or whis·tle-blow·er or whistle blower 
(wĭsəl-blō′ər, hwĭs-)
(wĭsəl-blō′ər, hwĭs-)n.
One who reveals wrongdoing within an organization to the public or to those in positions of authority: "The Pentagon's most famous whistleblower is ... hoping to get another chance to search for government waste" (Washington Post).
whistle-blow′ing n.
- gravid
- gravidity
- gravidly
- gravidness
- gravimeter
- gravimetric
- gravimetrically
- gravimetry
- graving dock
- gravisphere
- gravitas
- gravitate
- gravitater
- gravitation
- gravitational
- gravitational collapse
- gravitational constant
- gravitational force
- gravitational interaction
- gravitational lens
- gravitational lensing
- gravitationally
- gravitational potential
- gravitational singularity
- gravitational wave